With two Democrats, Sen. Al Franken of Minnesota and Rep. John Conyers Jr. of Michigan, facing allegations of sexual misconduct in and outside the workplace, Hill watchers may be wondering just how many sexual harassment complaints get filed each year in the Capitol.

The answer is less than clear because Congress’ Office of Compliance releases only topline numbers on the complaints filed with the agency each year. In the OOC annual report on the state of the congressional workplace, harassment is one line item, which could include sexual and other types of hostile workplace harassment.

When Roll Call pulled the numbers from the last 10 fiscal years (2017 is not yet released), the highest number of harassment complaints came in fiscal 2011, with 113 cases out of a total of 333 — roughly a third of all complaints.